ok my dad (cos i was in bris ) asked my service department about a cai, and he said that they will only void the warranty if they find that the cai contributed 2 the problem, so is u hydrolic lock ur motor from suckin in water kiss ur warranty goodbye, but that said when my car goes in 2 the dealer its tottaly standard every time, doesnt take long 2 do and untill i see something in writting from toyota aus ill keep doin so